UG87-LW User Guide
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Remote IP Address
Enter the real remote IP address of GRE tunnel.
Local IP Address
Set the local IP address.
Local Virtual IP Address
Set the local tunnel IP address of GRE tunnel.
Netmask
Set the local netmask.
Peer Virtual IP Address
Enter remote tunnel IP address of GRE tunnel.
Global Traffic
Forwarding
All the data traffic will be sent out via GRE tunnel when this
function is enabled.
Remote Subnet
Enter the remote subnet IP address of GRE tunnel.
Remote Netmask
Enter the remote netmask of GRE tunnel.
MTU
Enter the maximum transmission unit. Range: 64-1500.
Key
Set GRE tunnel key.
Enable NAT
Enable NAT traversal function.
Table 4-3-7-4 GRE Parameters
4.3.7.4 L2TP
Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol
(PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private
network (VPN) over the Internet.
Figure 4-3-7-6
L2TP
Item
Description
Enable
Check to enable L2TP function.
Remote IP Address
Enter the public IP address or domain name of L2TP server.
Username
Enter the username that L2TP server provides.
Password
Enter the password that L2TP server provides.
Authentication
Select from "Auto", "PAP", "CHAP", "MS-CHAPv1" and
